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Exercise Chronophysiology

Meaning

Exercise Chronophysiology is the scientific study of how the timing of physical activity interacts with and influences the body’s intrinsic biological rhythms, particularly the circadian system. Within hormonal health, this involves understanding how exercise acutely and chronically affects the pulsatile release of hormones like growth hormone and cortisol relative to the sleep-wake cycle. Proper synchronization is necessary to maximize anabolic signaling and metabolic efficiency. Misaligned exercise can disrupt critical hormonal timings, leading to suboptimal adaptation. We must align physical exertion with internal biological clocks.